class Student{
    public int age;
    public String name;

    public Student(int age, String name) {
        this.age = age;
        this.name = name;
    }

    @Override
    public String toString() {
        return "Student{" +
                "age=" + age +
                ", name='" + name + '\'' +
                '}';
    }
}

public class Main {
    public static void main(String[] args) {
        String s1 = String.valueOf(1234);
        String s2 = String.valueOf(12.34);
        String s3 = String.valueOf(true);
        String s4 = String.valueOf(new Student(19,"Thomas"));

        System.out.println(s1);
        System.out.println(s2);
        System.out.println(s3);
        System.out.println(s4);
    }
}
